x86/doublefault/32: Fix stack canaries in the double fault handler
authorAndy Lutomirski <luto@kernel.org>
Thu, 21 Nov 2019 10:50:12 +0000 (11:50 +0100)
committerPeter Zijlstra <peterz@infradead.org>
Thu, 21 Nov 2019 18:37:42 +0000 (19:37 +0100)
commit3580d0b29cab08483f84a16ce6a1151a1013695f
treebf5cd1540fe54bd1cb4a9e05355005f7676a32a2
parent922eea2ce5c799228d9ff1be9890e6873ce8fff6
x86/doublefault/32: Fix stack canaries in the double fault handler

The double fault TSS was missing GS setup, which is needed for stack
canaries to work.

Signed-off-by: Andy Lutomirski <luto@kernel.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: stable@kernel.org
arch/x86/kernel/doublefault.c